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參數(shù)資料
| 型號： | tDa 4601 |
| 廠商： | SIEMENS AG |
| 英文描述： | Control ICs for Switched-Mode Power Supplies(應(yīng)用于開關(guān)電源的控制類芯片) |
| 中文描述： | 控制芯片的開關(guān)電源（應(yīng)用于開關(guān)電源的控制類芯片） |
| 文件頁數(shù)： | 17/26頁 |
| 文件大?。?/td> | 1384K |
| 代理商： | TDA 4601 |
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Semiconductor Group
23
TDA 4601
Notes on Application Circuit 3
Fully Insulated, Clamp-contacted PTC-Thermistor Suitable for SMPS-Applications at
Increased Start-Up Currents
The newly developed PTC-thermistor
Q63100-P2462-J29
is designed for applications in SMPS as
well as in various other electronic circuits, which, for example, receive the supply voltage directly
from the rectified line voltage and require an increased current during turn-on. Used in the flyback
converter power supply of TV-sets, an application proved millions of times over, the new PTC-
thermistor in the auxiliary circuit branch has resulted in a power saving of no less than 2 W. This
increase in efficiency has a highly favorable effect on the standby operation of TV-sets.
The required turn-on current needs only 6 to 8 s until the operating temperature of the PTC-
thermistor is reached. Low thermal capacitance of the PTC-thermistor allows the circuit to be
operated again after no more than 2 s. Another positive feature is the improved short-circuit
strength. The clamp contacts permit more or less unlimited switching operations and thus
guarantee high reliability. A flame-retardant plastic package and small dimensions are additional
advantages of this newly developed PTC-thermistor.
Technical Data
Parameter
Breakdown voltage at
T
A
= 60 C
Resistance at
T
A
= 25 C
Resistance tolerance
Symbol
V
BD rms
R
25
R
25
I
K
I
R
V
op max rms
T
REF
T
C
I
max
T
stg
Limit Values
Unit
350
V
k
%
5
25
Trip current (typ.)
Residual current at
V
A max
Max. application voltage
20
mA
2
mA
265
V
Reference temperature (typ.)
190
C
Temperature coefficient (typ.)
26
%/K
Max. operating current
0.1
A
Storage temperature range
– 25 to 125
C
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|---|---|
| TDA 4605-2 | Control IC for Switched-Mode Power Supplies using MOS-transistors(開關(guān)模式電源控制IC) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA4601-D | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Control ICs for Switched-Mode Power Supplies |
| TDA4605 | 功能描述:視頻 IC SMPS Controller RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| TDA4605_03 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:CONTROL CIRCUIT FOR SWITCH MODE POWER SUPPLIES USING MOS TRANSISTORS |
| TDA46052 | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| TDA4605-2 | 功能描述:軟開關(guān) PWM 控制器 CTRL IC FOR SWITCH MODE PWR SUPPLIES RoHS:否 制造商:Fairchild Semiconductor 輸出端數(shù)量: 輸出電流: 開關(guān)頻率: 工作電源電壓:30 V 電源電流: 最大工作溫度:+ 105 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
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